37 results
Acute Pharyngitis: Differential Diagnosis
Infectious:
 • Respiratory viruses (25-45%)
 • Group A Strep (5-15%)
 • Other bacteria:
: Differential Diagnosis ... Infectious: • Respiratory ... Vocal strain • Trauma ... disorders: Kawasaki disease ... #Differential #Diagnosis
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Acute or chronic ... Compensation, Acute ... D-lactate (short bowel syndrome ... Classically” noted with pulmonary ... restrictive lung disease
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
neuromuscular disease ... exacerbation (cardiogenic pulmonary ... on chronic resp acidosis ... COPD) • Other acute ... deformity (facial trauma
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
pneumonia (COP), Respiratory ... pneumonia (DIP), Acute ... Churg Strauss syndrome ... Eosinophilic pneumonia: Acute ... #ILD #diagnosis
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
- Differential Diagnosis ... Pulmonary/Chest ... Trauma, COPD exacerbation ... Pleural effusion, Pulmonary ... Chronic: Metabolic acidosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
- Differential Diagnosis ... with renal tubal acidosis ... Pancreatitis, Trauma ... UNa > 20: • Acute ... Algorithm #Causes #nephrology
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... • Sub-Valvular Disease ... Stable Angina • Acute ... Coronary Syndrome ... • Metabolic Acidosis
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
Diffuse Acute Abdominal ... - Differential Diagnostic ... : R/O cardiac, pulmonary ... Musculoskeletal • Trauma ... Irritable bowel syndrome
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
- Differential Diagnosis ... Seizure, Migraine, Trauma ... encephalopathy Acute ... paraneoplastic syndromes ... neurocognitive disease
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... t-PA, heparin Acute ... Rhabdomyolysis, Tumor lysis syndrome ... Shift: • Lactic acidosis ... , DKA Kidney Disease